Analysis

  • max time kernel
    174s
  • max time network
    182s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:41

General

  • Target

    834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2.exe

  • Size

    160KB

  • MD5

    8f22758b941d97d837c65cbd7a113811

  • SHA1

    93da39be6c6297d464574aa92b2d7fd844e60a3d

  • SHA256

    834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2

  • SHA512

    1c7c4482b13e8fad4c26a939c8b25730fa05a2a8af3655085504b80dd0c3fd3ea75279539521d357693b277a7ea9be73e619ba728249db98188da7bd9104e017

Score
10/10

Malware Config

Extracted

Path

C:\mxlse-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion mxlse. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/DE6FD5FF24BCB1D4 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/DE6FD5FF24BCB1D4 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: O7+ByixC8D07Bc/zOk0QSvs1Aa40SrVCDBkSFtfMxZzjXsz9/FaZBmWurhMenvTy zI6jtE2RTUUq9fCfYzqht5fOyl5ISn0fhX9+szOqtYpVcMt0gDX7Wya35nmUEKPy ovPY7wW3p7G/wlHuyvm/pG6OKK/RpTH6ZOOerV0Tb3CTlngfzO8vMndTeL8yRPIg u4fvqnHRKPSaifgJqPMkTCAFA/hnSr1N4Z+HnP/x2ZMMN5jErpBjLw184j2qNoWo eZMxnzkCmV+yoR38FQIGZ9mLzOX1L6ry+0E3y/C9pUe//O66fMQVGRPPOApzCFlC 7exJFadIv/3qTAYXDcZXQSPRwPCMLieosUwH0EmrY/+kdyy6gsCmBm0D3nGldwk/ /3K+Nn/a1nMEIxa9QvpGjvjkalOcWwvWmk7ZgEwfo//zyGe3qtaN6/1kRaRxhKv2 YAzr10+c16sdSkPaPDQe7PiDbJO7sJK0fwKzH9oZL+InTr9ksTPe+iCfCBLcbcn7 buae9Rj/16mNMDEI6FpEN3BI8ZOHT0evnKxLvpZis2UoFIWOZwLUnRmcsZb2dbwH Wsc6Q0qnf5N885L9E43RDXeWF45taEOseg2eFK+ASfnnpAwiFbM16+F2thHnzIm1 EX9OX3ethIrvD+PqfnMjf/lxDr+hQYBF80G10eKr8F3N2viTqjmgWGi7fwLpDyQL rmoOxg6IlOacQ9tnAJKG/53DsPUH8bQ89Q2uTgLH+ZTerrJ3ldphDzHt0FkcXZSS gPYw01gBTf9mIOQz/tiJhaPXf2pEMV224rOIY1RtKaKVAqBGgib2RmfpAa8cXMTL 1172v8TRZQraT8BzcMmERTZFveZFDZL1isuU5UU6t1OjJ6NdMIIDHYIHqmUTyO/U Ks3lDskXTDUXUdPIg5/NueiRjMhJx44wqphrHEHgbuXTlCDvzALkUdhnFKD3qyi1 0crTR5QAeOnDdyVuGtZGIOuVy1ZNq9BTXlZ4MoU2R4GgagItaelNwpMz93YoV+M/ 5nRdVQ72CnnBNglp5d7ejMNDKsq7wDv0tu6nqZWws4qmlzIOOahtObZcGzrJpuVm g9RCrNgTX7n8T57XGNTBsLllX5pZzY9TjFinG2lVGJxVqyLKJwg= Extension name: mxlse ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/DE6FD5FF24BCB1D4

http://decryptor.top/DE6FD5FF24BCB1D4

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 33 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2.exe
    "C:\Users\Admin\AppData\Local\Temp\834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:4068
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

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Downloads